melissa: peter, former managing director of the ntsb. we appreciate insight. some really good thoughts. we hope you come back. >> thank you. melissa: next on "money", when the rent gets too damn high in come the micro apartments. mini dwellings could take new york and other major cities by storm. one of the men building the dream joins us with all the little tiny details. at the end of the day it is all about money. [ engine revving ] ♪ [ male announcer ] every car we build must make adrenaline pump and pulses quicken. ♪ to help you not just to stay alive... but feel alive. the new c class is no exception. it's a mercedes-benz through and through. see your authorized mercedes-benz dealer for exceptional offers through mercedes-benz financial services. ♪ . melissa: so like they say in manhattan, if you have enough space here you're either really rich or really small. fortunately for those who aren't either of those, there is a new way to get your own small slice of the big apple. introducing micro apartments. new york city mayor michael bloomberg brought